Rabbi Avahu went to Tveria. The students of Rav Yochanan saw Rabbi Avahu and noticed that his face was shining. They said to Rav Yochanan, “Rabbi Avahu must have found a treasure.” He said to them, “Why?” They said to him, “His face is shining.” He said to them, “Maybe he learned a new piece of Torah?” So they went to him (Rabbi Avahu). They said to him, “What new piece of Torah did you learn?” He said to them, “An ancient Tosefta.” Regarding him (Rabbi Avahu) it says, “Wisdom of a person illuminates his face.”